18561994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1601}}^1$

素因数の和:1662

約数の個数: 32

約数和(自身を含む): 33219072

約数和(自身を除く): 14657078

約数列:

[1, 2, 11, 17, 22, 31, 34, 62, 187, 341, 374, 527, 682, 1054, 1601, 3202, 5797, 11594, 17611, 27217, 35222, 49631, 54434, 99262, 299387, 545941, 598774, 843727, 1091882, 1687454, 9280997, 18561994]

約数ペア:

[(1, 18561994), (2, 9280997), (11, 1687454), (17, 1091882), (22, 843727), (31, 598774), (34, 545941), (62, 299387), (187, 99262), (341, 54434), (374, 49631), (527, 35222), (682, 27217), (1054, 17611), (1601, 11594), (3202, 5797)]